Profiling Python Packages

ddtrace

Datadog Python APM Client

py-spy

Sampling profiler for Python programs

gprof2dot

Converts profiling output to a dot graph.

viztracer

A debugging and profiling tool that can trace and visualize python code execution

austin-dist

Python frame stack sampler for CPython

scalene

Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python with AI-powered optimization proposals

scout-apm

ScoutAPM Python Agent. Supports Django, Flask, and many other frameworks.

easydev

Common utilities to ease the development of Python packages

timebudget

Stupidly-simple speed measurements for Python.

importtime-waterfall

Generate waterfalls from `-Ximporttime` tracing.

troncos

🪵 Troncos - Collection of logging, tracing and profiling tools

fastapi-debug-toolbar

A debug toolbar for FastAPI.

django-query-counter

Count Django SQL queries and surface duplicate (N+1) and slow ones in the console — works as a decorator (management commands, tasks, views) or as middleware

rma

Redis memory profiler to find the RAM bottlenecks throw scaning key space in real time and aggregate RAM usage statistic by patterns.

palanteer

Visual Python and C++ nanosecond profiler, logger, tests enabler

pelutils

All the Python utilities you never knew you needed

pytest-benchmem

Drop in replacement for pytest-benchmark, adding memray memory benchmarking and improved evaluation

cutracer

A dynamic binary instrumentation tool for tracing and analyzing CUDA kernel instructions.

pytest-resource-usage

Pytest plugin for reporting running time and peak memory usage

reprospect

A framework for reproducible prospecting of CUDA applications.

apple-instruments-mcp

MCP server for profiling Apple platform apps with xctrace/Instruments

ecotrace

A lightweight Python library to measure the carbon footprint of your code

echion

Near-zero-overhead, in-process CPython frame stack sampler with async support

fastapi-profiler-lite

A lightweight, zero-configuration performance profiler for FastAPI applications